15557206460

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{998537}}^1$

素因数の和:998606

約数の個数: 48

約数和(自身を含む): 35228420640

約数和(自身を除く): 19671214180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 41, 76, 82, 95, 164, 190, 205, 380, 410, 779, 820, 1558, 3116, 3895, 7790, 15580, 998537, 1997074, 3994148, 4992685, 9985370, 18972203, 19970740, 37944406, 40940017, 75888812, 81880034, 94861015, 163760068, 189722030, 204700085, 379444060, 409400170, 777860323, 818800340, 1555720646, 3111441292, 3889301615, 7778603230, 15557206460]

約数ペア:

[(1, 15557206460), (2, 7778603230), (4, 3889301615), (5, 3111441292), (10, 1555720646), (19, 818800340), (20, 777860323), (38, 409400170), (41, 379444060), (76, 204700085), (82, 189722030), (95, 163760068), (164, 94861015), (190, 81880034), (205, 75888812), (380, 40940017), (410, 37944406), (779, 19970740), (820, 18972203), (1558, 9985370), (3116, 4992685), (3895, 3994148), (7790, 1997074), (15580, 998537)]